Lexus RX400H Fuel and Emissions Systems

Essential Lexus RX400H Fuel and Emissions Systems

DENSO – First Time Fit Electric Fuel Pump (Part No.E3000749241ND)

First Time Fit Electric Fuel Pump

from

$191.54
The Denso Electric Fuel Pump is built to meet the stringent requirements of carmakers for high output, extended reliability and reduced noise.

Product Features:
  • OE-Equivalent and direct fit for easy installation.
  • OE connections and fittings.
  • The high output turbine delivers fuel with minimal pressure pulsation for quieter operation.
  • Ultra-high balanced armature to minimize noise and vibration.
  • High pressure check valve provides superior hot fuel handling characteristics.
  • The brushes are designed for durability, efficiency, and low-resistance operation.
  • High quality relief valve to protect the fuel delivery system.
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DENSO – Oxygen Sensor: Downstream, 4 Wire, 20.67" Long, Heated, Exact Fit (Part No.234-4502)

Oxygen Sensor: Downstream, 4 Wire, 20.67" Long, Heated, Exact Fit

from

$135.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Carquest Premium – Vapor Canister (Part No.CPN1792)

Vapor Canister

from

$1403.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Felpro – Fuel Injection Idle Air Control Valve Gasket (Part No.61373)

Fuel Injection Idle Air Control Valve Gasket

from

$7.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Spectra Premium – Mass Air Flow Sensor (Part No.MA102)

Mass Air Flow Sensor

from

$97.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium mass air flow sensors meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE engine management systems design expertise
  • Platinum connector threads reduce the number of connection points for faster reaction to change
  • Ceramic-built printed circuit boards are protected by silica gel, providing superior resistance to temperature changes and vehicle vibrations
  • Ceramic board provides reliable voltage to eliminate engine rough-idle problems
  • Each new sensor is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
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Carquest Premium – Multi Purpose Relay (Part No.RAA1235)

Multi Purpose Relay

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$10.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Fuel Cap Tester Adapter

from

$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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Delphi – Fuel Pump Strainer (Part No.FS0179)

Fuel Pump Strainer

from

$17.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Filtration performance and micron rating meet or exceed OE requirements
  • OE replacement strainer designed for use with Delphi electric fuel pumps
  • Replacing the strainer is always recommended when replacing a fuel pump
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Carquest Premium – Ambient Air Temperature Sensor Connector (Part No.PTA1106)

Ambient Air Temperature Sensor Connector

from

$64.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Ishino – Fuel Inject Cushion Ring, Grommet (Part No.C1011189045ISH)

Fuel Inject Cushion Ring, Grommet

from

$2.20
Fuel Inject Cushion Ring, Grommet

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 9.5" Long, Heated, Direct Fit (Part No.24663)

Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 9.5" Long, Heated, Direct Fit

from

$229.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2434)

Remanufactured Fuel Injector

from

$48.49
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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Carquest – Multi Purpose Relay (Part No.83A1006)

Multi Purpose Relay

from

$16.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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Felpro – Fuel Injector O-Ring Kit (Part No.ES 71859)

Fuel Injector O-Ring Kit

from

$4.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17595)

Keyed Alike Locking Fuel Cap

from

$11.49
None

Product Features:
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
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DENSO – Original Equipment Quality Fuel Pump & Strainer Kit (Part No.950-0106)

Original Equipment Quality Fuel Pump & Strainer Kit

from

$112.99
As the innovator And leader in fuel supply technology, DENSO has conducted superior testing And inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:
  • First Time Fit
  • Built to DENSO Original Equipment Standards
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC3002)

Vapor Canister Purge Solenoid

from

$95.99
Vapor Canister Purge Solenoid

Ishino Stone – Fuel Injector O Ring (Part No.C1012184287ISH)

Fuel Injector O Ring

from

$2.16
Fuel Injector O Ring

Delphi – Fuel Injection Pressure Regulator (Part No.FP10547)

Fuel Injection Pressure Regulator

from

$71.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1421)

Fuel Injection Pressure Regulator

from

$71.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC2184)

Vapor Canister Vent Solenoid

from

$484.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

from

$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
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Carquest Premium – Fuel Injector Connector (Part No.PTA1064)

Fuel Injector Connector

from

$4.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Helping You Find the Right Fuel and Emissions Systems for Your Lexus RX400H

You love your RX400H. So we’ve made it easier than ever to help you find Lexus RX400H Fuel and Emissions Systems in our online catalog. Our inventory holds 58 aftermarket and OEM Fuel and Emissions Systems for your Lexus RX400H, ranging from $2.01 to $1,403.99.

We offer parts from 16 brands trusted to make quality Fuel and Emissions Systems for your Lexus RX400H. Before you buy, take some time to read through customer reviews. We currently have 792 reviews of Lexus RX400H Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit with 3.0 stars and Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.5 stars.

Find your RX400H Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Lexus RX400H part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Lexus RX400H

Our inventory holds Fuel and Emissions Systems for your Lexus RX400H from 16 trusted brands. You’ll find OEM and aftermarket parts from brands like Bosch, Carquest Premium, and DENSO, all of which can keep that Lexus happy.
We have Delphi parts available for your Lexus RX400H in categories like Fuel Pumps. Some of the top-rated Delphi parts in these categories are:
Fuel Pump Strainer
from $17.99
(1)
Fuel Pump Strainer
Electric Pump Filter and Strainers

Top-Rated Bosch Fuel and Emissions Systems

Leading Bosch Fuel and Emissions Systems

We carry Bosch brand parts for your Lexus RX400H across several catalog categories, including Oxygen Sensors. Some of our most reviewed Bosch parts include:
Oxygen Sensor: 4 Wire, 24.02" Long, Heated
from $69.99
(2)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated
Oxygen Sensors

FAQs for Lexus RX400H Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Lexus RX400H?

Out of 58 Fuel and Emissions Systems for the Lexus RX400H, the most popular in our inventory are:
Mass Air Flow Sensor (MAF) - 100% NEW
from $92.99
(6)
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Tethered Fuel Cap
from $21.99
This product is not rated
Tethered Fuel Cap
Gas Caps

What are the top-rated Lexus RX400H Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Lexus RX400H based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
from $81.99
(24)
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
“Oxygen sensor was exactly like the OEM, except you have to splice the plug onto the new sensor. No big deal, very simple and takes about ten minutes t”
Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $21.99
(16)
Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Locking Gas Cap works great!”
Remanufactured Mass Air Flow Sensor
from $69.99
(16)
Remanufactured Mass Air Flow Sensor
“It was easy to shop and couldn’t beat the price offered”